--- /dev/null 2016-05-17 12:01:17.473251102 +0900 +++ new/test/java/text/Format/NumberFormat/Bug4838107.java 2016-05-23 13:57:55.311640655 +0900 @@ -0,0 +1,248 @@ +/* + * Copyright (c) 2003, 2016, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +/* + * @test + * @bug 4838107 8008577 + * @summary Confirm that DecimalFormat can format a number with negative exponent number correctly. + * @library /java/text/testlib + * @run main/othervm -Djava.locale.providers=COMPAT,SPI Bug4838107 + */ + +import java.math.*; +import java.util.*; +import java.text.*; + +public class Bug4838107 extends IntlTest { + + static DecimalFormat df; + static DecimalFormatSymbols dfs; + static boolean err = false; + + static public void main(String[] args) { + Locale defaultLoc = Locale.getDefault(); + Locale.setDefault(Locale.US); + + /** + * This bug is about exponential formatting. But I added test cases for: + * - Double and BigDecimal numbers which don't have exponent parts. + * - Long and BigInteger numbers which don't support exponential + * notation. + * because there are few test cases for suffix and prefix. + * And also, I added test cases to guarantee further formatting and + * parsing using the same DecimalFormat instance will not change the + * Number's value anymore. + */ + + test_double(); + test_long(); + test_BigDecimal(); + test_BigInteger(); + + Locale.setDefault(defaultLoc); + + if (err) { + throw new RuntimeException("Wrong format with DecimalFormat"); + } + } + + static void test_double() { + df = new DecimalFormat(); + dfs = df.getDecimalFormatSymbols(); + + /* Test with default pattern */ + test(new Double(1234), "1,234"); + test(new Double(0.1234), "0.123"); // rounded + test(new Double(-1234), "-1,234"); + test(new Double(-0.1234), "-0.123"); // rounded + + test(new Double(Double.POSITIVE_INFINITY), "\u221e"); + test(new Double(Double.NEGATIVE_INFINITY), "-\u221e"); + test(new Double(Double.NaN), "\ufffd"); // without prefix and suffix + test(new Double(0.0), "0"); + test(new Double(-0.0), "-0"); // with the minus sign + + /* Specify a pattern and the minus sign. */ + prepareFormatter("

#.###E00", 'm'); + test(new Double(1234), "

1.234E03"); + test(new Double(0.1234), "

1.234Em01"); + test(new Double(-1234), "m

1.234E03"); + test(new Double(-0.1234), "m

1.234Em01"); + + prepareFormatter("

#.###E00;#.###E00", 'm'); + test(new Double(1234), "

1.234E03"); + test(new Double(0.1234), "

1.234Em01"); + test(new Double(-1234), "1.234E03"); + test(new Double(-0.1234), "1.234Em01"); + + prepareFormatter("#.###E00;

#.###E00", 'm'); + test(new Double(1234), "1.234E03"); + test(new Double(0.1234), "1.234Em01"); + test(new Double(-1234), "

1.234E03"); + test(new Double(-0.1234), "

1.234Em01"); + + prepareFormatter("

#.###E00;

-#.###E00", 'm'); + test(new Double(1234), "

1.234E03"); + test(new Double(0.1234), "

1.234Em01"); + test(new Double(-1234), "

m1.234E03"); + test(new Double(-0.1234), "

m1.234Em01"); + + test(new Double(Double.POSITIVE_INFINITY), "

\u221e"); + test(new Double(Double.NEGATIVE_INFINITY), "

m\u221e"); + test(new Double(Double.NaN), "\ufffd"); // without prefix and suffix + test(new Double(0.0), "

0E00"); + test(new Double(-0.0), "

m0E00"); // with the minus sign + } + + static void test_BigDecimal() { + df = new DecimalFormat(); + dfs = df.getDecimalFormatSymbols(); + + /* Test with default pattern */ + test(new BigDecimal("123456789012345678901234567890"), + "123,456,789,012,345,678,901,234,567,890"); + test(new BigDecimal("0.000000000123456789012345678901234567890"), + "0"); + test(new BigDecimal("-123456789012345678901234567890"), + "-123,456,789,012,345,678,901,234,567,890"); + test(new BigDecimal("-0.000000000123456789012345678901234567890"), + "-0"); + + test(new BigDecimal("0"), "0"); + test(new BigDecimal("-0"), "0"); + + /* Specify a pattern and the minus sign. */ + prepareFormatter("

#.####################E00;

-#.####################E00", 'm'); + test(new BigDecimal("123456789012345678901234567890"), + "

1.23456789012345678901E29"); + test(new BigDecimal("0.000000000123456789012345678901234567890"), + "

1.23456789012345678901Em10"); + test(new BigDecimal("-123456789012345678901234567890"), + "

m1.23456789012345678901E29"); + test(new BigDecimal("-0.000000000123456789012345678901234567890"), + "

m1.23456789012345678901Em10"); + + test(new BigDecimal("0"), "

0E00"); + test(new BigDecimal("-0"), "

0E00"); + } + + static void test_long() { + df = new DecimalFormat(); + dfs = df.getDecimalFormatSymbols(); + + /* Test with default pattern */ + test(new Long(123456789), "123,456,789"); + test(new Long(-123456789), "-123,456,789"); + + test(new Long(0), "0"); + test(new Long(-0), "0"); + + /* Specify a pattern and the minus sign. */ + prepareFormatter("

#,###;

-#,###", 'm'); + test(new Long(123456789), "

123,456,789"); + test(new Long(-123456789), "

m123,456,789"); + + test(new Long(0), "

0"); + test(new Long(-0), "

0"); + } + + static void test_BigInteger() { + df = new DecimalFormat(); + dfs = df.getDecimalFormatSymbols(); + + /* Test with default pattern */ + test(new BigInteger("123456789012345678901234567890"), + "123,456,789,012,345,678,901,234,567,890"); + test(new BigInteger("-123456789012345678901234567890"), + "-123,456,789,012,345,678,901,234,567,890"); + + test(new BigInteger("0"), "0"); + test(new BigInteger("-0"), "0"); + + /* Specify a pattern and the minus sign. */ + prepareFormatter("

#,###;

-#,###", 'm'); + test(new BigInteger("123456789012345678901234567890"), + "

123,456,789,012,345,678,901,234,567,890"); + test(new BigInteger("-123456789012345678901234567890"), + "

m123,456,789,012,345,678,901,234,567,890"); + + test(new BigInteger("0"), "

0"); + test(new BigInteger("-0"), "

0"); + } + + static void prepareFormatter(String pattern, char minusSign) { + dfs = df.getDecimalFormatSymbols(); + df.applyPattern(pattern); + dfs.setMinusSign(minusSign); + df.setDecimalFormatSymbols(dfs); + } + + static void test(Number num, String str) { + String formatted = df.format(num); + if (!formatted.equals(str)) { + err = true; + System.err.println(" DecimalFormat format(" + + num.getClass().getName() + + ") error: \n\tnumber: " + num + + "\n\tminus sign: " + dfs.getMinusSign() + + "\n\tgot: " + formatted + + "\n\texpected: " + str); + return; + } + + if (num instanceof BigDecimal || num instanceof BigInteger) { + df.setParseBigDecimal(true); + } + Number parsed1 = null, parsed2 = null; + try { + parsed1 = df.parse(formatted); + formatted = df.format(parsed1); + parsed2 = df.parse(formatted); + if (!parsed1.equals(parsed2)) { + err = true; + System.err.println(" DecimalFormat roundtrip parse(" + + num.getClass().getName() + + ") error: \n\toriginal number: " + str + + "\n\tparsed number: " + parsed1 + + " (" + parsed1.getClass().getName() + ")" + + "\n\tformatted number: " + formatted + + "\n\tre-parsed number: " + parsed2 + + " (" + parsed2.getClass().getName() + ")" + + "\n\tminus sign: " + dfs.getMinusSign()); + } + } + catch (Exception e) { + err = true; + System.err.println(" DecimalFormat parse(" + + num.getClass().getName() + + ") threw an Exception: " + e.getMessage() + + "\n\toriginal number: " + str + + "\n\tparsed number : " + parsed1 + + " (" + parsed1.getClass().getName() + ")" + + "\n\tformatted number: " + formatted + + "\n\tre-parsed number: " + parsed2 + + " (" + parsed2.getClass().getName() + ")" + + "\n\tminus sign: " + dfs.getMinusSign()); + } + } +}